| SOIL MACHINE DYNAMICS LIMITED | Machinery and equipment | 1971 | Full accounts |
| TYNE MOULDS & MACHINERY COMPANY LIMITED | Rubber and plastics | 1976 | Total exemption (full) |
| NORTH EAST RADIO COMMUNICATIONS LIMITED | Repair and installation of machinery | 1980 | Unaudited abridged |
| HACEL LIGHTING LIMITED | Electrical equipment | 1981 | Full accounts |
| CONTROLE MESURE REGULATION (UK) LIMITED | Electrical equipment | 1984 | Full accounts |
| AKDENIZ CHEMSON ADDITIVES LTD | Chemicals | 1986 | Total exemption (full) |
| W.D. CLOSE & SONS LIMITED | Fabricated metal products | 1986 | Full accounts |
| INTERNATIONAL SYALONS (NEWCASTLE) LIMITED | Glass, ceramics, cement and stone | 1994 | Small company accounts |
| KRYSTAL TECHNOLOGY UK LIMITED | Glass, ceramics, cement and stone | 1998 | Full accounts |
| PATTERSON RYAN LIMITED | Fabricated metal products | 2001 | Total exemption (full) |
| ROCKBIT UK LIMITED | Fabricated metal products | 2003 | Total exemption (full) |
| MARINE SAFETY SUPPLIES LIMITED | Other manufacturing | 2003 | Total exemption (full) |
| UNICORN SHEET METAL WORKS LIMITED | Fabricated metal products | 2004 | Total exemption (full) |
| SMD LTD | Machinery and equipment | 2008 | Group accounts |
| GKC INTERIORS (NE) LIMITED | Furniture | 2009 | Total exemption (full) |
| SMD ROBOTICS LIMITED | Machinery and equipment | 2009 | Small company accounts |